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Find the average and uncertainty?

  1. Sep 3, 2013 #1
    "5 students time a bowling ball traveling from point A to point B. They record the following times":
    2.45s 2.49s 2.58s 2.55s 2.51s

    "7 students measure the length of a car. They record the following lengths":
    4.5 m , 4.7 m , 4.4 m , 4.6 m , 4.8 m , 4.5 m , 4.6 m

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Sep 3, 2013 #2
    By the forum's rules, you must show an attempt to solve the problem before you can get any help.
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